Bark beetle control camp. Blackman's Corral, Mile-and-a-Half. Kaibab National Forest, Arizona.
Photo by: F.P. Keen
Date: August 1925
Credit: USDA Forest Service, Pacific Northwest Region, State and Private Forestry, Forest Health Protection.
Collection: Bureau of Entomology, F.P. Keen Collection; La Grande, Oregon.
To learn more about this photo collection see:
Wickman, B.E., Torgersen, T.R. and Furniss, M.M. 2002. Photographic images and history of forest insect investigations on the Pacific Slope, 1903-1953. Part 2. Oregon and Washington. American Entomologist, 48(3), p. 178-185.
For more information about this project, see: www.fs.fed.us/rm/pubs/rmrs_gtr195.pdf
Furniss, M. M. 2007. A history of forest entomology in the Intermountain and Rocky Mountain areas, 1901 to 1982. USDA Forest Service, Gen. Tech. Rep. RMRS-GTR-195. Fort Collins, CO. 40 p.